…format.
The `@` symbol makes sense in the context of email addresses, but does not have a universal meaning in the context of dates.
Props birgire, afercia, audrasjb, SergeyBiryukov.
Fixes #47893.
git-svn-id: https://develop.svn.wordpress.org/trunk@46084 602fd350-edb4-49c9-b593-d223f7449a82